Robert,
first thanks for your projects, really awsome ones!
I did this one too and while testing my P3 was working, but something might have gone wrong and now no matter which probe I connect to #3, it only shows 2 probes connected. Where do you think I should take my multimeter to and look for possible short circuits, because I really don't understand much about deep electronics?
Thanks
Miguel
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if this is mydewcontrollerpro3
to be able to use the temperature probe 3 input with dew channel 3, you need to set the mode of channel 3 to use temperature probe.
Once you do that then save the settings and reboot the controller.
The simple way of testing a faulty probe is to connect the suspect probe to a working input
Say temp probe 2 you think is faulty
Unpolug temp probe1 and put the temp probe 2 into the temp1 input
Then reboot
If it cannot find temp probe 1 then the probe is faulty
For probes, we use 3 wires.
Assuming your circuit is correct
SIG or yellow is wired to the data pin input, and also to a 4.7K resistor of which the other end goes to VCC
Black is wired to ground
red is wired to VCC
For a Nano VCC is 5V
For an ESP32 VCC is 3.3V
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Robert, the code option is correctly selected. The probe has been tested on other ports and works fine. No probe works on port 3,Anda and I don't see why. Maybe one IC burnt? I even replaced the resistor because I wasn't getting good reading from it, and problem remains. Any clue? Otherwise I will have to build another one from scratch...
Thanks
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Probe 3 signal (yellow) goes to D8 on the Arduino. There must be a 4.7K resistor from D8 to 5V
I would use test program TestDSB1820TempProbe in the Tests folder to check the probes.
This test bypasses a lot of other stuff. It checks directly for the probe on each channel.
You run the program and use the Serial monitor window in the Arduino IDE to view the output - I normally program the nao, open the monitor window, press reset on the nano and hey presto - messages are shown
Set the serial port monitor window speed to 57600
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
Robert,
first thanks for your projects, really awsome ones!
I did this one too and while testing my P3 was working, but something might have gone wrong and now no matter which probe I connect to #3, it only shows 2 probes connected. Where do you think I should take my multimeter to and look for possible short circuits, because I really don't understand much about deep electronics?
Thanks
Miguel
if this is mydewcontrollerpro3
to be able to use the temperature probe 3 input with dew channel 3, you need to set the mode of channel 3 to use temperature probe.
Once you do that then save the settings and reboot the controller.
The simple way of testing a faulty probe is to connect the suspect probe to a working input
Say temp probe 2 you think is faulty
Unpolug temp probe1 and put the temp probe 2 into the temp1 input
Then reboot
If it cannot find temp probe 1 then the probe is faulty
For probes, we use 3 wires.
Assuming your circuit is correct
SIG or yellow is wired to the data pin input, and also to a 4.7K resistor of which the other end goes to VCC
Black is wired to ground
red is wired to VCC
For a Nano VCC is 5V
For an ESP32 VCC is 3.3V
Robert, the code option is correctly selected. The probe has been tested on other ports and works fine. No probe works on port 3,Anda and I don't see why. Maybe one IC burnt? I even replaced the resistor because I wasn't getting good reading from it, and problem remains. Any clue? Otherwise I will have to build another one from scratch...
Thanks
No probe works on port 3
Are you using a PCB?
What firmware?
Probe 3 signal (yellow) goes to D8 on the Arduino. There must be a 4.7K resistor from D8 to 5V
I would use test program TestDSB1820TempProbe in the Tests folder to check the probes.
This test bypasses a lot of other stuff. It checks directly for the probe on each channel.
You run the program and use the Serial monitor window in the Arduino IDE to view the output - I normally program the nao, open the monitor window, press reset on the nano and hey presto - messages are shown
Set the serial port monitor window speed to 57600